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from dbbackup import utils
from .base import BaseCommandDBConnector
class MongoDumpConnector(BaseCommandDBConnector):
"""
MongoDB connector, creates dump with ``mongodump`` and restore with
``mongorestore``.
"""
dump_cmd = "mongodump"
restore_cmd = "mongorestore"
object_check = True
drop = True
def _create_dump(self):
cmd = f"{self.dump_cmd} --db {self.settings['NAME']}"
host = self.settings.get("HOST") or "localhost"
port = self.settings.get("PORT") or 27017
cmd += f" --host {host}:{port}"
if self.settings.get("USER"):
cmd += f" --username {self.settings['USER']}"
if self.settings.get("PASSWORD"):
cmd += f" --password {utils.get_escaped_command_arg(self.settings['PASSWORD'])}"
if self.settings.get("AUTH_SOURCE"):
cmd += f" --authenticationDatabase {self.settings['AUTH_SOURCE']}"
for collection in self.exclude:
cmd += f" --excludeCollection {collection}"
cmd += " --archive"
cmd = f"{self.dump_prefix} {cmd} {self.dump_suffix}"
stdout, stderr = self.run_command(cmd, env=self.dump_env)
return stdout
def _restore_dump(self, dump):
cmd = self.restore_cmd
host = self.settings.get("HOST") or "localhost"
port = self.settings.get("PORT") or 27017
cmd += f" --host {host}:{port}"
if self.settings.get("USER"):
cmd += f" --username {self.settings['USER']}"
if self.settings.get("PASSWORD"):
cmd += f" --password {utils.get_escaped_command_arg(self.settings['PASSWORD'])}"
if self.settings.get("AUTH_SOURCE"):
cmd += f" --authenticationDatabase {self.settings['AUTH_SOURCE']}"
if self.object_check:
cmd += " --objcheck"
if self.drop:
cmd += " --drop"
cmd += " --archive"
cmd = f"{self.restore_prefix} {cmd} {self.restore_suffix}"
return self.run_command(cmd, stdin=dump, env=self.restore_env)
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